package com.green.cloud.server.business.mapper;

import com.green.cloud.server.entity.User;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.springframework.stereotype.Service;

@Mapper
@Service
public interface HelloMapper {

    int add(User user);

    User user(@Param("id") Long id);
}
